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Case Description
Any updates on this case?
On a hot afternoon in Billings, Montana, on July 31, 1990, the life of 60-year-old Charles William Sparboe, a male, came to a violent and tragic end. Sparboe, the owner of the Treasure State Silver & Gold coin shop, was a self-made millionaire with interests in real estate, but his true passion was the coin shop he had operated for a decade. It was there, amidst the collections he cherished, that he and his 47-year-old assistant, Catharine Newstrom, were found shot in the head. The discovery was ...Read More
Links to Additional Sources (11)
See any mistakes?Victim Details
Charles Sparboe
Male
Billings
MT
1990-07-31
60
Charles
Sparboe
Primary Suspect Deceased
11/05/2025
Forum Posts (3)
Did anyone else find it strange how methodical Sinclair was in his approach to these coin shops? I m... ...Read More
04/24/2024
04/24/2024
I've been following this case for a while now, and something that really stands out to me is how cau... ...Read More
03/22/2024
03/22/2024
Hey everyone,
I was reading about the tragic case of Charles Sparboe and Catharine Newstrom in Bi... ...Read More
09/16/2023
I was reading about the tragic case of Charles Sparboe and Catharine Newstrom in Bi... ...Read More
09/16/2023
